Denso HVAC issues
Never can get hot dash air out of the rig.
Coolant to the top of the surge tank. After running awhile I can feel one side of the heater hose (in) is warm but the return line is cold.
BOTH gate valves towards the engine apear to be fully open.
Temp selector is the round dial. Appears/feels as though the cable is connected. Looking over some Denso part lists I don't see any heater valves. Not sure if coolant should be flowing thru the core all the time. Cant see any type of valve. Perhaps the "Blend Door" regulates how much heat goes into the cabin.
Just thought I'd post on this forum thinking that someone hight have tore into their dash unit. I have herd stories of air getting trapped in the heater side of the hoses creating an air lock. Perhaps one of the gate valves is stuck closed.
Any ideas or suggestions?
Thanks
RM
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Robert & Deb
07 Discovery 39v FWS Full Timers, Henniker NH
1K solar - 05 Jeep Grand Cherokee
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